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249225060050 = 25217241532
BaseRepresentation
bin1110100000011011111…
…0001001111011010010
3212211021220220211100122
43220012332021323102
513040403103410200
6310254205550242
724002013025421
oct3500676117322
9784256824318
10249225060050
119677205a40a
1240374b75382
131a66a671645
14c0c392b2b8
156739c92385
hex3a06f89ed2

249225060050 has 54 divisors (see below), whose sum is σ = 492549375213. Its totient is φ = 93803312640.

The previous prime is 249225059989. The next prime is 249225060053. The reversal of 249225060050 is 50060522942.

It can be written as a sum of positive squares in 14 ways, for example, as 61977596209 + 187247463841 = 248953^2 + 432721^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=353005.

It is a super-2 number, since 2×2492250600502 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249225060053) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 60008774 + ... + 60012926.

Almost surely, 2249225060050 is an apocalyptic number.

249225060050 is a deficient number, since it is larger than the sum of its proper divisors (243324315163).

249225060050 is an frugal number, since it uses more digits than its factorization.

249225060050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8352 (or 4177 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 249225060050 its reverse (50060522942), we get a palindrome (299285582992).

The spelling of 249225060050 in words is "two hundred forty-nine billion, two hundred twenty-five million, sixty thousand, fifty".

Divisors: 1 2 5 10 17 25 34 50 85 170 289 425 578 850 1445 2890 4153 7225 8306 14450 20765 41530 70601 103825 141202 207650 353005 706010 1200217 1765025 2400434 3530050 6001085 12002170 17247409 30005425 34494818 60010850 86237045 172474090 293205953 431185225 586411906 862370450 1466029765 2932059530 4984501201 7330148825 9969002402 14660297650 24922506005 49845012010 124612530025 249225060050